To test T Plant, plutonium from the X-10 reactor was shipped to Hanford for the plant's first full-scale test on Dec. 9, 1944, Schwantes said.

Crews at the Hanford site recently finished demolishing the tricky Plutonium Finishing Plant's main processing facility in southeastern Washington. But the demolition gave contractors some real ...

On June 8 approximately 350 Hanford workers were ordered to “take cover” after alarms designed to detect elevated levels of airborne radioactive contamination went off. It was quickly ...

The plutonium processed at T Plant was used for the Trinity Test in New Mexico in July 1945 and was used in the atomic bomb that was dropped on Nagasaki, Japan, on Aug. 9, 1945, helping end World ...

Update: Take cover alert was issued at the Hanford nuclear site north of Richland, WA because of an odor at the REDOX plant in 200 Area where plutonium was processed. Workers initially evacuated.

While Hanford produced plutonium, a parallel effort in Oak Ridge, Tennessee, created uranium to use in a bullet-like bomb that destroyed Hiroshima on Aug. 6, 1945, killing 70,000 to 80,000 people.

Money for the Hanford nuclear site's vitrification plant would be increased from $952 million in fiscal 2024 to $990 million in fiscal 2026. This summer the plant is expected to start treating ...

The Hanford Site is the most polluted area in the US, though cleanup started decades ago. Estimates say it will take decades more and up to $640 billion to finish the job. The site just received ...

When Hanford began production, the entire world supply of plutonium totaled about 500 micrograms, enough material to form the head of a single pin. A microgram is 1/1,000,000 of a gram. A gram is ...

When Hanford began production, the entire world supply of plutonium totaled about 500 micrograms, enough material to form the head of a single pin. A microgram is 1/1,000,000 of a gram. A gram is ...

The large plant that produced two-thirds of the United States’ Cold War-era plutonium no longer exists. Crews at the Hanford site recently finished demolishing the tricky Plutonium Finishing ...